The 2017–18 Gonzaga Bulldogs men's basketball team represented Gonzaga University in the 2017–18 NCAA Division I men's basketball season. The team was led by head coach Mark Few, who was in his 19th season as head coach. The team played its home games at McCarthey Athletic Center in Spokane, Washington. This was the Bulldogs (also informally referred to as the Zags) 38th season as a member of the West Coast Conference. They finished the season 32–5, 17–1 in WCC play to win the WCC regular season championship. They defeated Loyola Marymount, San Francisco and BYU to become champions of the WCC tournament. They received the WCC's automatic bid to the NCAA tournament where they defeated UNC Greensboro and Ohio State to advance to the Sweet Sixteen where they lost to Florida State.